Join to apply for the Quantum Systems Scientist role at Oxford Ionics.
Oxford Ionics, now part of IonQ, is pioneering the next generation of quantum computing. Using our world‑leading trapped‑ion technology, we’re building the most powerful, accurate and reliable quantum systems to tackle problems that today’s supercomputers cannot solve.
Joining Oxford Ionics means becoming part of a global IonQ team that is transforming the future of quantum technology – faster, at scale, and with real‑world impact.
What to expect
We are searching for a Quantum Systems Scientist to join our Systems team. This is a key role responsible for ensuring our quantum systems are continuously operational, scalable and robust, enabling cutting‑edge experiments and development across the business.
What you’ll be responsible for
You’ll play a critical role in ensuring the continuous operation and performance of our trapped‑ion quantum systems. Your primary focus will be to maximise system uptime by enhancing diagnostic capabilities, identifying root causes of downtime and working collaboratively across engineering teams to develop robust, preventative solutions.
* System diagnostics and monitoring – Expand and refine hardware and software diagnostics; log and visualise key parameters; implement sensors and build dashboards to enable rapid fault‑finding.
* Downtime analysis and resolution – Analyse performance data to identify system bottlenecks or weak points; lead cross‑functional efforts to design and implement robust engineering fixes.
* Preventative and reactive maintenance – Own and schedule maintenance plans; support and mentor technicians; debug complex system issues as they arise.
* Process and tooling improvement – Improve documentation, procedures and training for system maintenance and upgrades, including trap changes and routine operations.
* System design – Bring reliability to the core of future system designs, addressing current problems with engineering solutions.
What you’ll need
We are looking for a high‑performing systems scientist with hands‑on experience in the design, build and operation of complex cold‑atom experiments. You’ll have worked extensively with hardware systems in a lab setting, ideally including ion traps, optical clocks, or ultra‑cold atom setups. You’ll also have a deep understanding of free‑space optics. This is a highly collaborative role, requiring strong communication skills and the ability to work effectively with both engineers and technicians to improve system performance and reliability.
* Proven track record designing, building and operating complex cold‑atom systems (e.g. ion traps, ultra‑cold atoms, optical clocks).
* Background in hardware‑focused experimental physics, with expertise in free‑space optics.
* PhD in a relevant discipline, ideally with post‑doctoral experience in a high‑performing research group.
* Strong communicator, able to collaborate across technical disciplines and coordinate with engineering and technician teams.
* Programming experience in Python or ARTIQ.
* Experience automating and monitoring lab systems.
* Potential to grow into a leadership role as the team scales.
So why us?
Be part of a team that’s shaping the future of quantum. We offer more than just a role – you’ll join a world‑class community of scientists, engineers and innovators working to unlock the full potential of quantum computing.
Benefits
We offer a range of benefits, including opportunities to further your career alongside industry leaders, a competitive salary with IonQ stock options, an annual performance bonus, generous annual leave, flexible hybrid working, private medical and dental insurance for you and your family, and much more.
Join us and be part of the future of quantum computing.
We’re proud to be an equal opportunity employer and welcome applicants from all backgrounds.
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